Add 10.2-M1 manifest

Change-Id: I6382a65f79047545c6f068b842aa8eab8b210839
Use the correct branch for CTS

Change-Id: I2c2d9a02ad2452f5305ceaf03d9f2f28e9fdf154
Merge remote-tracking branch 'upstream/cm-10.2' into cm-10.2
Adjust remotes to work with mirror